Building Materials The compound of Portland cement which contributes to the strength after two to three years is Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra-calcium alumino ferrite Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra-calcium alumino ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 60 : 35 : 5 80 : 13 : 7 None of these 70 : 20 : 10 60 : 35 : 5 80 : 13 : 7 None of these 70 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 45% of cobalt 20% of cobalt 15% of cobalt 35% of cobalt 45% of cobalt 20% of cobalt 15% of cobalt 35% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting time of cement for asbestos cement products should be not less than 90 minutes 50 minutes 30 minutes 75 minutes 90 minutes 50 minutes 30 minutes 75 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used lime in white washing, is Fat lime Quick lime White lime Hydraulic lime Fat lime Quick lime White lime Hydraulic lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as Dressing of stones Blasting of stones Quarrying of stones Seasoning of stones Dressing of stones Blasting of stones Quarrying of stones Seasoning of stones ANSWER DOWNLOAD EXAMIANS APP